Beyond Security Blog
laptop and network monitoring icons on blue gradient vector

Ledger Monero app before 1.5.1 Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

Summary

Due to a bug in the Monero transaction signing protocol in the Ledger Monero app v1.4.2 we were able to extract master Monero spending key. The vulnerability is now fixed.

Credit:

The information has been provided by Dušan Klinec

The original article can be found at:https://donjon.ledger.com/lsb/008/

Details

A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.

Vulnerable Systems:

Ledger Monero app before 1.5.1

CVE Information:

CVE-2020-6861

Disclosure Timeline:
Published Date:5/6/2020

SecuriTeam

SecuriTeam is a small group within Beyond Security dedicated to bringing you the latest news and utilities in computer security.

Please visit our central security portal at securiteam.com to keep up-to-date with the latest security research and read our archives containing over 10,000 articles about CVEs and zero-day exploits.

Contact Us
Want to learn more? Fill out the form below and we'll be in touch shortly.
By clicking Submit, I agree to the use of my personal data in accordance with the Beyond Security Privacy Policy. Beyond Security will not sell, trade, lease, or rent your personal data to third parties.

Advertisement

Vector image of purple colored handshake icon

Affected by Covid-19? Get free vulnerability scanning.

Before You go

Take a second to book a demo. Learn how to secure your networks & applications.

We'll be in touch!

We now have the ability to scan at any time...like having sonar on our own network. We always know what is going on around us.”

man-img

Mike Gutknecht, Spectrum Brands